| ; RUN: llvm-as -disable-output < %s |
| |
| %"struct.std::pair<int,int>" = type { i32, i32 } |
| |
| declare void @_Z3barRKi(i32*) |
| |
| declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind |
| declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind |
| declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) readonly nounwind |
| declare void @llvm.invariant.end.p0i8({}*, i64, i8* nocapture) nounwind |
| |
| define i32 @_Z4foo2v() nounwind { |
| entry: |
| %x = alloca %"struct.std::pair<int,int>" |
| %y = bitcast %"struct.std::pair<int,int>"* %x to i8* |
| |
| ;; Constructor starts here (this isn't needed since it is immediately |
| ;; preceded by an alloca, but shown for completeness). |
| call void @llvm.lifetime.start(i64 8, i8* %y) |
| |
| %0 = getelementptr %"struct.std::pair<int,int>", %"struct.std::pair<int,int>"* %x, i32 0, i32 0 |
| store i32 4, i32* %0, align 8 |
| %1 = getelementptr %"struct.std::pair<int,int>", %"struct.std::pair<int,int>"* %x, i32 0, i32 1 |
| store i32 5, i32* %1, align 4 |
| |
| ;; Constructor has finished here. |
| %inv = call {}* @llvm.invariant.start.p0i8(i64 8, i8* %y) |
| call void @_Z3barRKi(i32* %0) nounwind |
| %2 = load i32, i32* %0, align 8 |
| |
| ;; Destructor is run here. |
| call void @llvm.invariant.end.p0i8({}* %inv, i64 8, i8* %y) |
| ;; Destructor is done here. |
| call void @llvm.lifetime.end(i64 8, i8* %y) |
| ret i32 %2 |
| } |